leuds eluds lueds uleds eulds uelds ledus eldus ldeus dleus edlus delus ludes uldes ldues dlues udles dules eudls uedls eduls deuls udels duels leusd elusd luesd ulesd eulsd uelsd lesud elsud lseud sleud eslud selud lused ulsed lsued slued usled suled eusld uesld esuld seuld useld sueld ledsu eldsu ldesu dlesu edlsu delsu lesdu elsdu lsedu sledu esldu seldu ldseu dlseu lsdeu sldeu dsleu sdleu edslu deslu esdlu sedlu dselu sdelu ludse uldse lduse dluse udlse dulse lusde ulsde lsude slude uslde sulde ldsue dlsue lsdue sldue dslue sdlue udsle dusle usdle sudle dsule sdule eudsl uedsl edusl deusl udesl duesl eusdl uesdl esudl seudl usedl suedl edsul desul esdul sedul dseul sdeul udsel dusel usdel sudel dsuel sduel
Note: these 'words' (valid or invalid) are all the permutations of the word leuds. These words are obtained by scrambling the letters in leuds.